Migrate to cargo_embargo. am: 1e28b52033 am: 44b511d4f0 am: 2b7ed9b6ba

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/clap_lex/+/2826412

Change-Id: Ida95ccf0b0baf1944cadfb9fee219246c0036bf7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>